// Metgine/Core/World.h
//
// Copyright 2011 Phillip Stephens
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.

#ifndef __WORLD_H__
#define __WORLD_H__

#include <list>
#include <vector>

#include <SFML/System.hpp>

#include <Metgine/Core/Object.h>
#include <Metgine/Graphics/Tile.h>
#include <Metgine/Core/Intersection.h>
#include <Metgine/Core/ImageResource.h>
#include <Metgine/Core/Renderer.h>

namespace Metgine
{

namespace Core
{

class METGINE_API World
{
    public:
        static const float DEFAULT_GRAVITY =  -1000.0f;
        World();
        ~World();

        bool Update(float);
        void AddObject(Object*);
        void AddCreatedObject(Object*);
        void RemoveObject(Object* object);
        void RemoveAllObjects();

        virtual void SetBackground(ImageResource* farImage, ImageResource* nearImage);
        void CameraMoved(const Vector2f&);

        Object* GetObjectAtPosition(const Vector2f&);

        /*b2World* GetPhysWorld() const;*/
        virtual void Render();

        Vector2f Gravity();
        Vector2f Wind();
        virtual int WidthInPixels();
        virtual int HeightInPixels();
        void SetGravity(Vector2f);

    protected:
        Vector2f             m_gravity;
        Vector2f             m_wind;
        BoundingBoxi         m_mapBounds;
        std::list<Object*>   m_objects;
        std::vector<Object*> m_pendingObjects;
        std::list<Tile*>     m_tiles;
};


}; // Core
}; // Metgine
#endif // WORLD_H
